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Pollutants in the land not only contaminate the land itself, but also have far-reaching consequences.Sources can be agricultural, industrial (including mining and metallurgy), and municipal wastes.However, both Professor Bythell and the study’s authors warn that there is still no room for complacency when it comes to coral conservation.“Unfortunately, these findings by no means suggest that the Great Barrier Reef corals are safe and in great condition, and that there are no reasons for concern,” said the paper’s lead author Dr Karlo Hock.Twelve POPs have been banned by the Stockholm Convention, a United Nations environment program to which the U. POPs ultimately accumulate in waterways and oceans through runoff.They are carried over long distances over the globe affecting areas where these chemicals are not used.Besides acting to mitigate climate change, this research suggests that the focus of past reef conservation might have been misplaced.

Sometimes, pollution can damage the soil to the point that vegetation no longer grows. This is especially common in agricultural fields, according to the Union of Concerned Scientists.

Any reef that is acting as a supplier of coral larvae, therefore, must not also act as a distributer of starfish larvae.

“What this is showing is that reefs are more resilient than we thought,” said Professor John Bythell, a coral researcher at Newcastle University who was not involved in the study.

Acid rain, the spreading of water pollution to surrounding beaches and riverbanks, litter, and even new construction sites can also be sources of land pollution.

One of the biggest threats to the ecosystem caused by land pollution is chemical contamination.